From 37279e3c302d5bf9297f9827048a247346e26bf3 Mon Sep 17 00:00:00 2001
From: Koen Buddelmeijer <koen@buddelmeijer.com>
Date: Tue, 19 Aug 2014 09:00:01 +0200
Subject: [PATCH] Fix isViewControllerVisible property

---
 TLYShyNavBar/TLYShyNavBarManager.m | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/TLYShyNavBar/TLYShyNavBarManager.m b/TLYShyNavBar/TLYShyNavBarManager.m
index 93ac118..37d2d2e 100644
--- a/TLYShyNavBar/TLYShyNavBarManager.m
+++ b/TLYShyNavBar/TLYShyNavBarManager.m
@@ -42,7 +42,7 @@ static inline CGFloat AACStatusBarHeight()
 @property (nonatomic) CGFloat resistanceConsumed;
 
 @property (nonatomic, getter = isContracting) BOOL contracting;
-@property (nonatomic, getter = isViewControllerVisible) BOOL viewControllerVisible;
+@property (nonatomic, readonly, getter = isViewControllerVisible) BOOL viewControllerVisible;
 @property (nonatomic) BOOL previousContractionState;
 
 @end
@@ -153,6 +153,11 @@ static inline CGFloat AACStatusBarHeight()
     return self.extensionViewContainer.bounds;
 }
 
+- (BOOL)isViewControllerVisible
+{
+    return self.viewController.isViewLoaded && self.viewController.view.window;
+}
+
 #pragma mark - Private methods
 
 - (BOOL)_shouldHandleScrolling
@@ -270,7 +275,6 @@ static inline CGFloat AACStatusBarHeight()
 - (void)prepareForDisplay
 {
     [self cleanup];
-    self.viewControllerVisible = YES;
 }
 
 - (void)layoutViews
@@ -296,7 +300,6 @@ static inline CGFloat AACStatusBarHeight()
 {
     [self.navBarController expand];
     
-    self.viewControllerVisible = NO;
     self.previousYOffset = NAN;
     self.previousScrollInsets = UIEdgeInsetsZero;
 }